An 8.0 kg object moving with an initial velocity of 8.0 m/s on a surface comes to rest due to friction after it travels a horizontal distance of 10 m

What is the coefficient of kinetic friction between the object and the surface? Use g = 10 m/s2. A)

0.13

B)

0.25

C)

0.32

D)

0.43

E)

0.80


C

Physics & Space Science

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An 8.0-kg object moving 4.0 m/s in the positive x direction has a one-dimensional collision with a 2.0-kg object moving 3.0 m/s in the opposite direction. The final velocity of the 8.0-kg object is 2.0 m/s in the positive x direction. What is the total kinetic energy of the two-mass system after the collision?

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